A Topic of Moral Theology

The Sin of Doubt

Acting with a doubtful conscience, and what must be done before one acts.

In the index as Doubt · Law · Conscience · St. Alphonsus · Opinion · Probability · Certitude · Marriage · Jurisdiction · Possession · Presumption · Probabilism · Suspicion · Alphonsus, St. · Authority · Baptism · Burial · Canonical Hours · Heretics · Interpretation · Judgment · Justice · Obedience · Reflex principles

In the manuals

A Manual of Moral Theology for English-Speaking Countries

Vol. I, Bk. II, Chapter III. The Doubtful Conscience, nn. 1 & 2 (2 passages — hover a number to read it)

Manual of Moral Theology (Manuale Theologiae Moralis)

Vol. I, Bk. I, Tr. II, Diss. II, Pt. I, Sect. III, Ch. I, Art. III, Sect. I, Scholion. On Supplied Jurisdiction, n. 103 — II. When is jurisdiction supplied? Canon 209 establishes: In common error or in positive and probable doubt, whether of law or of fact, the Church supplies jurisdiction for both the external and internal forum. Therefore… Read in context →

Vol. I, Bk. I, Tr. II, Diss. II, Pt. I, Sect. III, Ch. II, Art. I, § I. On Preliminary Notions, n. 215 — The notions which recur most, and the prior exposition of which is of the greatest importance, are those of certainty, opinion, and doubt. For the sake of completeness we shall add some points concerning the notion of pr… Read in context →

Vol. I, Bk. I, Tr. II, Diss. II, Pt. I, Sect. III, Ch. II, Art. I, § III. On the Conscience Required for Acting Licitly, n. 220 — Proposition. For acting licitly, certainty strictly so called concerning the honesty of the action to be placed here and now is required. This is clear, first, from Sacred Scripture. "But he who discerns, if he eats, is … Read in context →

Vol. I, Bk. I, Tr. II, Diss. II, Pt. I, Sect. III, Ch. II, Art. I, § IV, Point III, I. On Certain Sayings Annexed to the Moral System, n. 235 — The sayings to be explained either represent, in a brief formula, the moral system itself or its demonstration, or they exhibit rules by which doubts of fact are solved. I. A doubtful law does not oblige. The sense is: A… Read in context →

Moral Theology: A Complete Course (McHugh & Callan)

Vol. I, Pt. I, Q. IV, Art. 3. A Certain Conscience, An Uncertain Conscience, n. 655 — From what was said above concerning the certitude requisite for conscience (see 641 sqq.), it follows that: (a) when the state of mind is positive or negative doubt, one is not allowed to act; for a person who is ignoran… Read in context →

Vol. I, Pt. I, Q. IV, Art. 3. A Certain Conscience, Doubt and Suspicion, nn. 656, 657 & 661 (3 passages — hover a number to read it)

Vol. I, Pt. I, Q. IV, Art. 3. A Certain Conscience, Probabilism, n. 709 — For the above-mentioned cases, to which their principle does not apply, Probabilists refer to the rules for a doubtful conscience (see 656 sqq.). The following special rules are given for cases of negative doubt: (a) If … Read in context →

Vol. I, Pt. II, Q. I, Art. 2. The Sins Against F…, The Sin of Doubt, nn. 840, 841, 842, 843, 844, 845 & 846 (7 passages — hover a number to read it)

Vol. II, Pt. II, Q. II, Art. 2. The Virtue of Just…, Judgment, n. 1743 — Rash Doubts. Rash Doubts.—Doubt about the probity of others is sinful, when there are no sufficient reason for it; for example, it would be unreasonable to suspend judgment about a man of excellent reputation because a well-known cal… Read in context →

Vol. II, Pt. II, Q. II, Art. 3. The Subjective Par…, The Roots of Restitution, nn. 1776 & 1777 (2 passages — hover a number to read it)

Institutions of Moral Theology (Institutiones Theologiae Moralis)

Vol. I, On Conscience, III. On Probable Conscience, nn. 119 & 121 (2 passages — hover a number to read it)

Vol. I, On Conscience, IV. On the Doctrine of S. Alphonsus Concerning Probabilism, nn. 131, 133 & 134 (3 passages — hover a number to read it)

Vol. I, On Conscience, V. On Doubtful Conscience, nn. 137, 138, 141, 143, 144, 145, 146, 147, 148, 149, 150, 151, 154, 156 & 157 (15 passages — hover a number to read it)

Vol. I, On Sins and Virtues, VI. On Virtues, n. 347 — What is justice, and what are its parts? - R. To the first. Justice is the virtue which renders what is owed according to equality. Hence other moral virtues hold the mean of reason, according namely to prudent estimatio… Read in context →

Vol. II, On the Seventh and Tenth P…, XXIV. On Restitution from Unjust Damaging, n. 1369 — Whether he is bound to restitution who doubts whether he himself was the cause of damage? - It is common among doctors that in doubt whether the cause was placed, or whether damage was inflicted, he is held to no restitu… Read in context →

Vol. II, On the Seventh and Tenth P…, XXIX. How Much is to be Restored, nn. 1427 & 1428 (2 passages — hover a number to read it)

Vol. II, On the Seventh and Tenth P…, XXXIII. On Causes Excusing from Restitution, n. 1469 — Whether a debtor is excused from restitution in doubt of payment? Resp. Negatively in a merely negative doubt, because then no prudent reason of payment made is present. - In a positive doubt or probability it is controv… Read in context →

Vol. II, On the Eighth Precept of t…, I. On Rash Judgment, nn. 1480 & 1483 (2 passages — hover a number to read it)

Vol. III, On the Particular Obligati…, I. On the Positive Obligations of Clerics, n. 155 — Is one foreseeing an impediment for recitation of the office on the very day of obligation held to recite Matins and Lauds on the evening of the vigil? - Reply: Negatively. The reason is that although Matins and Lauds by… Read in context →

Vol. III, On Penance, IX. On the Jurisdiction of the Confessor, nn. 770 & 771 (2 passages — hover a number to read it)

Vol. IV, On Marriage, III. On the Impediments of Marriage, n. 1031 — Is it lawful to contract marriage with a doubtful impediment? A twofold doubt must be distinguished: doubt of fact and doubt of law. Doubt of fact is had when the doubt concerns a particular fact from which an impediment… Read in context →

Vol. IV, On Censures, I. On the Nature of Censure, n. 1097 — Is one to be judged to have incurred censure who doubts whether he has incurred it? In a doubt of fact and in a doubt about the existence of the law, one is excused from incurring censure; not likewise in a doubt about t… Read in context →

Vol. IV, On Censures, V. On Ecclesiastical Burial, n. 1161 — What is to be done in a case of doubt? "Where doubt occurs, the Ordinary should be consulted." Ritual, l.c.; Holy Office, May 16, 1866, etc. If recourse cannot be had to him, the principle holds: in doubt, odious things … Read in context →

Vol. IV, On the Constitution *Apostolicae Sedis*, n. 1165 — II. All and each persons knowingly reading without authority of the Apostolic See books of the same apostates and heretics defending heresy, and also books of any author prohibited by name through Apostolic letters; and … Read in context →

Vol. IV, On the Constitution *Sacramentum Poenitentiae*, n. 1294 — Can a priest doubting whether the penitent is his accomplice absolve him? R. Affirmatively. Gury, Case 619. The reason is that it is not to be presumed that the legislator prudently wished to proceed against the confesso… Read in context →

Vol. IV, On Irregularity, n. 1318 — What is to be established concerning one who doubts about irregularity incurred? He is bound under grave obligation first to investigate the matter, unless perhaps grave harm could follow from the delay of inquiring. For… Read in context →

Summa Theologiae Moralis

Vol. II, Special Moral Theology: On…, Treatise: On the Cardinal …, Second Part: On the Virtue…, Ch. II, Question Four: On the Sin of One Acting Against Conscience, nn. ¶1, 109 & 110 (14 passages — hover a number to read it)

Treated under the broader heading The Doubtful Conscience — Noldin, Summa of Moral Theology · Bucceroni, Moral Enchiridion (4th ed., 1905) · Bucceroni, Cases of Conscience · Bucceroni, Commentaries (1910) · Gury-Ballerini, Compendium of Moral Theology (8th ed., 1884) · Tanquerey · Vermeersch, Theologia Moralis · Marc, Institutiones Morales · Prümmer, Manuale Theologiae Moralis · Konings, Theologia Moralis · Sabetti-Barrett, Compendium of Moral Theology · Concina, Compendium · Concina, Theologia Christiana III · Coppens, Moral Philosophy — these works do not divide the matter as finely as we do here, so their treatment stands one heading up (ed.)